Expansion valve of an air conditioning system



FIG. 1 is a perspective view of an expansion valve of an air conditioning system;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line shown in FIGS. 2, 3, 7 are unclaimed portions of the expansion valve and form no part of the claimed design. 

The ornamental design for an expansion valve of an air conditioning, as shown and described. 